C04B 2235/652
Reduction treatment
Official title: Reduction treatment (C04B2235/664 takes precedence)
C04B2235/652 (Reduction treatment) appears on 308 US grants and 372 published applications in this corpus.
Search patents in C04B- Granted patents
- 308
- Published applications
- 372
- Assignees
- 173
- Inventors
- 890
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 8 | 11 |
| 2004 | 5 | 11 |
| 2005 | 7 | 9 |
| 2006 | 8 | 9 |
| 2007 | 8 | 18 |
| 2008 | 3 | 21 |
| 2009 | 13 | 24 |
| 2010 | 15 | 31 |
| 2011 | 14 | 23 |
| 2012 | 21 | 26 |
| 2013 | 19 | 23 |
| 2014 | 19 | 24 |
| 2015 | 21 | 16 |
| 2016 | 15 | 13 |
| 2017 | 15 | 9 |
| 2018 | 13 | 11 |
| 2019 | 7 | 12 |
| 2020 | 11 | 5 |
| 2021 | 9 | 19 |
| 2022 | 7 | 11 |
| 2023 | 11 | 19 |
| 2024 | 10 | 7 |
| 2025 | 13 | 10 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multilayer ceramic capacitor and method for producing the same19 May 2026US 12,633,458 B2Murata Manufacturing Co., Ltd.
- Ceramic composition and method for manufacturing ceramic composition7 Apr 2026US 12,595,412 B2Shinko Electric Idustries Co., Ltd.
- Multilayer ceramic capacitor and method for producing the same24 Mar 2026US 12,586,721 B2Murata Manufacturing Co., Ltd.
- Zirconia sintered body and method for producing the same17 Mar 2026US 12,577,170 B2Tosoh Corporation
- Ceramic dielectrics with high permittivity and low dielectric loss and preparation method therefor24 Feb 2026US 12,559,426 B2Korea Advanced Institute of Science and Technology
- Refractory material, method for producing same, and use thereof23 Jul 2026US 2026/0209125 A1
- Process for manufacturing a shaped si-sic article, shaped article, and use23 Jul 2026US 2026/0209126 A1Schunk Ingenieurkeramik GmbH
- Method for producing a ceramic component9 Jul 2026US 2026/0192490 A1Manufacture D'Horlogerie Audemars Piguet SA
- Multilayer ceramic electronic device and dielectric ceramic composition11 Jun 2026US 2026/0162896 A1Taiyo Yuden Co., Ltd.
- Bilayer ceramic interconnect28 May 2026US 2026/0149022 A1University of South Carolina
Most cited
By later US patents
- Rigid porous carbon structures, methods of making, methods of using and products containing same143US 6,099,965 AHyperion Catalysis International, Inc. · 2000
- Electrode material, electrode and electrochemical cell107US 4,422,917 AIMI Marston Limited · 1983
- Lustrous black interference pigments100US 7,303,622 B2Merck Patent GmbH · 2007
- Methods of making composite ceramic articles having embedded filler71US 4,851,375 ALanxide Technology Company, LP · 1989
- Light emissive ceramic laminate and method of making same65US 8,283,843 B2Nitto Denko Corporation · 2012